diff --git a/parser/mysql/const.go b/parser/mysql/const.go
index efa4bce46e5f6..0c1876b6a2283 100644
--- a/parser/mysql/const.go
+++ b/parser/mysql/const.go
@@ -399,7 +399,7 @@ var AllColumnPrivs = []PrivilegeType{SelectPriv, InsertPriv, UpdatePriv}
 const AllPrivilegeLiteral = "ALL PRIVILEGES"
 
 // DefaultSQLMode for GLOBAL_VARIABLES
-const DefaultSQLMode = "STRICT_TRANS_TABLES,NO_ENGINE_SUBSTITUTION"
+const DefaultSQLMode = "ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"
 
 // DefaultLengthOfMysqlTypes is the map for default physical length of MySQL data types.
 // See http://dev.mysql.com/doc/refman/5.7/en/storage-requirements.html